[mirror_ubuntu-jammy-kernel.git] / drivers / iio / gyro / st_gyro_i2c.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * STMicroelectronics gyroscopes driver
 *
 * Copyright 2012-2013 STMicroelectronics Inc.
 *
 * Denis Ciocca <denis.ciocca@st.com>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>

#include <linux/iio/common/st_sensors.h>
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_gyro.h"

static const struct of_device_id st_gyro_of_match[] = {
	{
		.compatible = "st,l3g4200d-gyro",
		.data = L3G4200D_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,lsm330d-gyro",
		.data = LSM330D_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,lsm330dl-gyro",
		.data = LSM330DL_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,lsm330dlc-gyro",
		.data = LSM330DLC_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,l3gd20-gyro",
		.data = L3GD20_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,l3gd20h-gyro",
		.data = L3GD20H_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,l3g4is-gyro",
		.data = L3G4IS_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,lsm330-gyro",
		.data = LSM330_GYRO_DEV_NAME,
	},
	{
		.compatible = "st,lsm9ds0-gyro",
		.data = LSM9DS0_GYRO_DEV_NAME,
	},
	{},
};
MODULE_DEVICE_TABLE(of, st_gyro_of_match);

static int st_gyro_i2c_probe(struct i2c_client *client,
			     const struct i2c_device_id *id)
{
	const struct st_sensor_settings *settings;
	struct st_sensor_data *gdata;
	struct iio_dev *indio_dev;
	int err;

	st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));

	settings = st_gyro_get_settings(client->name);
	if (!settings) {
		dev_err(&client->dev, "device name %s not recognized.\n",
			client->name);
		return -ENODEV;
	}

	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata));
	if (!indio_dev)
		return -ENOMEM;

	gdata = iio_priv(indio_dev);
	gdata->sensor_settings = (struct st_sensor_settings *)settings;

	err = st_sensors_i2c_configure(indio_dev, client);
	if (err < 0)
		return err;

	err = st_sensors_power_enable(indio_dev);
	if (err)
		return err;

	err = st_gyro_common_probe(indio_dev);
	if (err < 0)
		goto st_gyro_power_off;

	return 0;

st_gyro_power_off:
	st_sensors_power_disable(indio_dev);

	return err;
}

static int st_gyro_i2c_remove(struct i2c_client *client)
{
	struct iio_dev *indio_dev = i2c_get_clientdata(client);

	st_sensors_power_disable(indio_dev);

	st_gyro_common_remove(indio_dev);

	return 0;
}

static const struct i2c_device_id st_gyro_id_table[] = {
	{ L3G4200D_GYRO_DEV_NAME },
	{ LSM330D_GYRO_DEV_NAME },
	{ LSM330DL_GYRO_DEV_NAME },
	{ LSM330DLC_GYRO_DEV_NAME },
	{ L3GD20_GYRO_DEV_NAME },
	{ L3GD20H_GYRO_DEV_NAME },
	{ L3G4IS_GYRO_DEV_NAME },
	{ LSM330_GYRO_DEV_NAME },
	{ LSM9DS0_GYRO_DEV_NAME },
	{},
};
MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);

static struct i2c_driver st_gyro_driver = {
	.driver = {
		.name = "st-gyro-i2c",
		.of_match_table = st_gyro_of_match,
	},
	.probe = st_gyro_i2c_probe,
	.remove = st_gyro_i2c_remove,
	.id_table = st_gyro_id_table,
};
module_i2c_driver(st_gyro_driver);

MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
fda8d26e	1	// SPDX-License-Identifier: GPL-2.0-only
7be56a8f DC	2	/*
	3	* STMicroelectronics gyroscopes driver
	4	*
	5	* Copyright 2012-2013 STMicroelectronics Inc.
	6	*
	7	* Denis Ciocca <denis.ciocca@st.com>
7be56a8f DC	8	*/
	9
	10	#include <linux/kernel.h>
	11	#include <linux/module.h>
	12	#include <linux/slab.h>
	13	#include <linux/i2c.h>
	14	#include <linux/iio/iio.h>
7be56a8f DC	15
	16	#include <linux/iio/common/st_sensors.h>
	17	#include <linux/iio/common/st_sensors_i2c.h>
	18	#include "st_gyro.h"
	19
2d7768a8 LW	20	static const struct of_device_id st_gyro_of_match[] = {
	21	{
	22	.compatible = "st,l3g4200d-gyro",
	23	.data = L3G4200D_GYRO_DEV_NAME,
	24	},
	25	{
	26	.compatible = "st,lsm330d-gyro",
	27	.data = LSM330D_GYRO_DEV_NAME,
	28	},
	29	{
	30	.compatible = "st,lsm330dl-gyro",
	31	.data = LSM330DL_GYRO_DEV_NAME,
	32	},
	33	{
	34	.compatible = "st,lsm330dlc-gyro",
	35	.data = LSM330DLC_GYRO_DEV_NAME,
	36	},
	37	{
	38	.compatible = "st,l3gd20-gyro",
	39	.data = L3GD20_GYRO_DEV_NAME,
	40	},
45a4e422 LB	41	{
	42	.compatible = "st,l3gd20h-gyro",
	43	.data = L3GD20H_GYRO_DEV_NAME,
	44	},
2d7768a8 LW	45	{
	46	.compatible = "st,l3g4is-gyro",
	47	.data = L3G4IS_GYRO_DEV_NAME,
	48	},
	49	{
	50	.compatible = "st,lsm330-gyro",
	51	.data = LSM330_GYRO_DEV_NAME,
	52	},
41c128cb CDL	53	{
	54	.compatible = "st,lsm9ds0-gyro",
	55	.data = LSM9DS0_GYRO_DEV_NAME,
	56	},
2d7768a8 LW	57	{},
	58	};
	59	MODULE_DEVICE_TABLE(of, st_gyro_of_match);
2d7768a8	60
7be56a8f	61	static int st_gyro_i2c_probe(struct i2c_client *client,
3c05484c	62	const struct i2c_device_id *id)
7be56a8f	63	{
3c05484c	64	const struct st_sensor_settings *settings;
7be56a8f	65	struct st_sensor_data *gdata;
3c05484c	66	struct iio_dev *indio_dev;
7be56a8f DC	67	int err;
7be56a8f DC	68
efc78983	69	st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
3c05484c DC	70
	71	settings = st_gyro_get_settings(client->name);
	72	if (!settings) {
	73	dev_err(&client->dev, "device name %s not recognized.\n",
	74	client->name);
	75	return -ENODEV;
	76	}
	77
7a842ed6 SK	78	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata));
	79	if (!indio_dev)
	80	return -ENOMEM;
7be56a8f DC	81
7be56a8f DC	82	gdata = iio_priv(indio_dev);
3c05484c	83	gdata->sensor_settings = (struct st_sensor_settings *)settings;
7be56a8f	84
062809ef DC	85	err = st_sensors_i2c_configure(indio_dev, client);
	86	if (err < 0)
	87	return err;
7be56a8f	88
7db4f2ca AS	89	err = st_sensors_power_enable(indio_dev);
	90	if (err)
	91	return err;
	92
ef67b341	93	err = st_gyro_common_probe(indio_dev);
7be56a8f	94	if (err < 0)
7db4f2ca	95	goto st_gyro_power_off;
7be56a8f DC	96
7be56a8f DC	97	return 0;
7db4f2ca AS	98
	99	st_gyro_power_off:
	100	st_sensors_power_disable(indio_dev);
	101
	102	return err;
7be56a8f DC	103	}
	104
	105	static int st_gyro_i2c_remove(struct i2c_client *client)
	106	{
7db4f2ca AS	107	struct iio_dev *indio_dev = i2c_get_clientdata(client);
	108
	109	st_sensors_power_disable(indio_dev);
	110
	111	st_gyro_common_remove(indio_dev);
7be56a8f DC	112
	113	return 0;
	114	}
	115
	116	static const struct i2c_device_id st_gyro_id_table[] = {
	117	{ L3G4200D_GYRO_DEV_NAME },
	118	{ LSM330D_GYRO_DEV_NAME },
	119	{ LSM330DL_GYRO_DEV_NAME },
	120	{ LSM330DLC_GYRO_DEV_NAME },
	121	{ L3GD20_GYRO_DEV_NAME },
45a4e422	122	{ L3GD20H_GYRO_DEV_NAME },
7be56a8f DC	123	{ L3G4IS_GYRO_DEV_NAME },
7be56a8f DC	124	{ LSM330_GYRO_DEV_NAME },
41c128cb	125	{ LSM9DS0_GYRO_DEV_NAME },
7be56a8f DC	126	{},
	127	};
	128	MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);
	129
	130	static struct i2c_driver st_gyro_driver = {
	131	.driver = {
7be56a8f	132	.name = "st-gyro-i2c",
ecb27c5e	133	.of_match_table = st_gyro_of_match,
7be56a8f DC	134	},
	135	.probe = st_gyro_i2c_probe,
	136	.remove = st_gyro_i2c_remove,
	137	.id_table = st_gyro_id_table,
	138	};
	139	module_i2c_driver(st_gyro_driver);
	140
	141	MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
	142	MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
	143	MODULE_LICENSE("GPL v2");